Delivered to Royal Air Maroc as CN-RMP in 1977. To Kalitta Leasing as N721SK in 1998 and converted to a freighter. Reregistered as N720CK in 2002. To Kalitta Charters II in 2004. Withdrawn from use at Oscoda, MI in 2019 after being damaged in an accident at Tuscaloosa, AL.